package ltd.starriddle.smart4j.chapter1;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 接收 GET 类型的 /hello 请求，
 * 转发到 /WEB-INF/jsp/hello.jsp 页面，
 * 在 hello.jsp 页面上显示系统当前时间
 *
 * @author chen
 */
@WebServlet("/hello")
public class HelloServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String currentTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
        req.setAttribute("currentTime", currentTime);
        req.getRequestDispatcher("/WEB-INF/jsp/hello.jsp").forward(req, resp);
    }
}
